<template>
    <!-- 头部 -->
    <header class="header">
        <!-- 头部的第一行 -->
        <div class="top">
            <div class="container">
                <div class="loginList">
                    <p>尚品汇欢迎您！</p>
                    <p v-if="userInfo.name">
                        <a href="javascript:;">{{userInfo.name}}</a>
                        &nbsp;&nbsp;&nbsp; | &nbsp;&nbsp;&nbsp;
                        <a href="javascript:;" @click="logoutFn">退出登录</a>
                    </p>
                    <p v-else>
                        <span>请</span>
                        <router-link to="/Login">登录</router-link>
                        <router-link to="/Register" class="register">免费注册</router-link>
                    </p>
                </div>
                <div class="typeList">
                    <router-link to="/Center/Order">我的订单</router-link>
                    <router-link to="/ShopCart">我的购物车</router-link>
                    <a href="###">我的尚品汇</a>
                    <a href="###">尚品汇会员</a>
                    <a href="###">企业采购</a>
                    <a href="###">关注尚品汇</a>
                    <a href="###">合作招商</a>
                    <a href="###">商家后台</a>
                </div>
            </div>
        </div>
        <!--头部第二行 搜索区域-->
        <div class="bottom">
            <h1 class="logoArea">
                <router-link title="尚品汇" class="logo" to="/Home">
                    <img src="./images/logo.png" alt="">
                </router-link>
            </h1>
            <div class="searchArea">
                <form action="###" class="searchForm">
                    <input type="text" id="autocomplete"  v-model.lazy="searchVal"
                           class="input-error input-xxlarge" />
                    <button class="sui-btn btn-xlarge btn-danger"
                            type="button" @click="search">搜索</button>
                </form>
            </div>
        </div>
    </header>
</template>

<script>
    import {mapState,mapActions} from "vuex";
    export default {
        name: "Header",
        /*data(){
          return {
              searchVal:""
          }
        },*/
        computed:{
            ...mapState({
                userInfo:state => state.user.userInfo
            }),
            searchVal:{
                get(){
                    return this.$store.state.searchVal
                },
                set(newVal){
                    this.$store.dispatch("updateSearchVal",newVal)
                }
            }
        },
        methods:{
            ...mapActions(["logout"]),
            //为了动态路由的url规范一点 当params没有值的时候不要携带
            search(){
                let localtion = {name:"Search"};
                const query = this.$route.query;
                const keyword = this.searchVal;
                query ? localtion.query = query : "";
                keyword ? localtion.params = {keyword} : "";

                //如果不是serach   跳 serach组件应该使用push
                //如果是serach 跳 serach组件应该使用replace
                if(this.$route.path.toLowerCase().startsWith("/search")){
                    this.$router.replace(localtion)
                }else{
                    this.$router.push(localtion)
                }


            },
            //点击退出登录按钮的需求
            logoutFn(){
                this.logout()
                //退出登录之后 要跳转到主页
                this.$router.replace("/")
            }
        },
        mounted(){
            //注册vue自定义事件 来更新searchVal
            this.$bus.$on("updateSearchVal",(newVal)=>{
                this.searchVal = newVal;
            })
        }
    }
</script>

<style scoped lang="less">
    .header {
        &>.top {
            background-color: #eaeaea;
            height: 30px;
            line-height: 30px;

            .container {
                width: 1200px;
                margin: 0 auto;
                overflow: hidden;

                .loginList {
                    float: left;

                    p {
                        float: left;
                        margin-right: 10px;

                        .register {
                            border-left: 1px solid #b3aeae;
                            padding: 0 5px;
                            margin-left: 5px;
                        }
                    }
                }

                .typeList {
                    float: right;

                    a {
                        padding: 0 10px;

                        &+a {
                            border-left: 1px solid #b3aeae;
                        }
                    }

                }

            }
        }

        &>.bottom {
            width: 1200px;
            margin: 0 auto;
            overflow: hidden;

            .logoArea {
                float: left;

                .logo {
                    img {
                        width: 175px;
                        margin: 25px 45px;
                    }
                }
            }

            .searchArea {
                float: right;
                margin-top: 35px;

                .searchForm {
                    overflow: hidden;

                    input {
                        box-sizing: border-box;
                        width: 490px;
                        height: 32px;
                        padding: 0px 4px;
                        border: 2px solid #ea4a36;
                        float: left;

                        &:focus {
                            outline: none;
                        }
                    }

                    button {
                        height: 32px;
                        width: 68px;
                        background-color: #ea4a36;
                        border: none;
                        color: #fff;
                        float: left;
                        cursor: pointer;

                        &:focus {
                            outline: none;
                        }
                    }
                }
            }
        }
    }
</style>